Cisco WAP4410N Administration Guide - Page 12
Planning Your Wireless Network, Network Topology, Roaming - range
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2 Planning Your Wireless Network Network Topology A wireless network is a group of computers, each equipped with one or more wireless adapters. Computers in a wireless network must be configured to share the same radio channel to talk to each other. Several computers equipped with wireless cards or adapters can communicate with each other to form an ad-hoc network without the use of an access point. Cisco also provides products to allow wireless adaptors to access wired network through a bridge such as the wireless access point, or wireless router. An integrated wireless and wired network is called an infrastructure network. Each wireless computer in an infrastructure network can talk to any computer in a wired or wireless network via the access point or wireless router. An infrastructure configuration extends the accessibility of a wireless computer to a wired network, and may double the effective wireless transmission range for two wireless adapter computers. Since an access point is able to forward data within a network, the effective transmission range in an infrastructure network may be more than doubled since access point can transmit signal at higher power to the wireless space. Roaming Infrastructure mode also supports roaming capabilities for mobile users. Roaming means that you can move your wireless computer within your network and the access points will pick up the wireless computer's signal, providing that they both share the same wireless network (SSID) and wireless security settings. Before you consider roaming, choose a feasible radio channel and optimum access point position. Proper access point positioning combined with a clear radio signal will greatly enhance performance. WAP4410N Wireless-N Access Point with Power Over Internet 3